Base | Representation |
---|---|
bin | 1000001101010… |
… | …10010111000011 |
3 | 11210120012121220 |
4 | 10012222113003 |
5 | 120111331420 |
6 | 10455450123 |
7 | 1464155061 |
oct | 406522703 |
9 | 153505556 |
10 | 68855235 |
11 | 35959a59 |
12 | 1b086943 |
13 | 1135a757 |
14 | 9205031 |
15 | 60a1840 |
hex | 41aa5c3 |
68855235 has 32 divisors (see below), whose sum is σ = 113743872. Its totient is φ = 35548800.
The previous prime is 68855233. The next prime is 68855263. The reversal of 68855235 is 53255886.
It is not a de Polignac number, because 68855235 - 21 = 68855233 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68855233) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70722 + ... + 71688.
It is an arithmetic number, because the mean of its divisors is an integer number (3554496).
Almost surely, 268855235 is an apocalyptic number.
68855235 is a deficient number, since it is larger than the sum of its proper divisors (44888637).
68855235 is a wasteful number, since it uses less digits than its factorization.
68855235 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1123.
The product of its digits is 288000, while the sum is 42.
The square root of 68855235 is about 8297.9054586082. The cubic root of 68855235 is about 409.8695500120.
The spelling of 68855235 in words is "sixty-eight million, eight hundred fifty-five thousand, two hundred thirty-five".
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